| // Copyright 2008 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.internal; |
| |
| import org.apache.tapestry5.NullFieldStrategy; |
| |
| /** |
| * Treats nulls to or from the client as if they were 0's. |
| */ |
| public class ZeroNullFieldStrategy implements NullFieldStrategy |
| { |
| /** |
| * Returns the value 0. |
| */ |
| public Object replaceToClient() |
| { |
| return 0L; |
| } |
| |
| /** |
| * Returns "0". |
| */ |
| public String replaceFromClient() |
| { |
| return "0"; |
| } |
| } |